Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8036071 | Wobble information recording method, information recording medium, and recording and reproduction method and apparatus thereof | Takashi Ishida | 2011-10-11 |
| 8026046 | Method for producing multi-layer optical disk | — | 2011-09-27 |
| 7948860 | Optical recording medium, manufacturing method for optical recording medium, and reproducing method for optical recording medium | Yuko Kawaguchi, Morio Tomiyama, Eiji Ohno | 2011-05-24 |